Which of the following would NOT be considered valid sources of error in a laboratory experiment? I: Calculation errors II: Inability to calibrate measuring devices III: Using the wrong solution for a reaction

The volume of a sphere is given by v= (4/3) pi r cubed, where r is the radius. compute the volume of a sphere with a radius of 117pm. state your answer in units of cubed.

If a substance is not at its melting or boiling point, as the heat content of a sample of matter increases, its temperature increases the number of intermolecular bonds decreases the space between particles increases the particles move faster

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.